CorrelationMatrix.h

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#ifndef _utl_CorrelationMatrix_h_
#define _utl_CorrelationMatrix_h_

#include <vector>


namespace utl {

  class CorrelationMatrix {
  public:
    CorrelationMatrix(const int nPar);

    unsigned int GetNParameter() const { return fNParameter; }

    void Set(const int iPar, const int jPar, const double corr);

    double Get(const int iPar, const int jPar) const
    { return operator()(iPar, jPar); }

    double operator()(const int iPar, const int jPar) const;

  private:
    typedef std::vector<double> Elements;

    int Index(const int iPar, const int jPar) const;
    
    int fNParameter;
    Elements fElements;
  };

}


#endif